diff --git a/package-lock.json b/package-lock.json
index 9651b0e..b62e8cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15564,9 +15564,9 @@
       }
     },
     "typescript": {
-      "version": "3.7.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.4.tgz",
-      "integrity": "sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==",
+      "version": "3.9.9",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.9.tgz",
+      "integrity": "sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index a1d7c4e..23a2507 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "ts-node": "8.6.2",
     "tslint": "5.20.1",
     "tslint-config-airbnb": "5.11.2",
-    "typescript": "3.7.4"
+    "typescript": "3.9.9"
   },
   "engines": {
     "node": ">=8.0.0"